Google has announced a number of artificial intelligence-powered updates to its search engine, calling them “some of our most significant Search updates to date”. From Thursday, users of the Google app on both Android and iOS will be able to use their voice to ask a question as they point their phone camera at an object or subject. The technology giant has also confirmed that it would begin rolling out a similar tool to ask questions while recording a video to early testers on its Search Labs programme, saying its AI tools would be able to “make sense of the video and your question put togethe…